M4:2024: Insufficient Input/Output Validation
Missing or weak validation of input from the network, deep links, IPC, or the user, and of output passed to native code, web views, or backend APIs.
How it's found
Identified by fuzzing app inputs and deep links for injection and improper output handling passed to native or web views.
Standards mapping
Where this fits in a TurboPentest engagement
TurboPentest's agentic pentest is powerful and covers a broad range of issues automatically. This particular class is best confirmed in a manual IntegSec engagement, where human pentesters apply deeper methodology and a larger context window than any automated pass.
Frequently asked questions
What is M4:2024 Insufficient Input/Output Validation?
Missing or weak validation of input from the network, deep links, IPC, or the user, and of output passed to native code, web views, or backend APIs.
How do you find Insufficient Input/Output Validation?
Identified by fuzzing app inputs and deep links for injection and improper output handling passed to native or web views.
Which CWEs map to M4:2024?
M4:2024 maps to CWE-20, CWE-79, CWE-89.
Does TurboPentest test for Insufficient Input/Output Validation?
TurboPentest's agentic pentest is powerful and covers a broad range of issues automatically. This particular class is best confirmed in a manual IntegSec engagement, where human pentesters apply deeper methodology and a larger context window than any automated pass.
Related OWASP categories
- OWASP Mobile Top 10M1:2024: Improper Credential Usage
- OWASP Mobile Top 10M2:2024: Inadequate Supply Chain Security
- OWASP Mobile Top 10M3:2024: Insecure Authentication/Authorization
- OWASP Mobile Top 10M5:2024: Insecure Communication
- OWASP Mobile Top 10M6:2024: Inadequate Privacy Controls
- OWASP Mobile Top 10M7:2024: Insufficient Binary Protections
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